Distributed Optimization for Reactive Power Sharing and Stability of Inverter-Based Resources Under Voltage Limits
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Bibliographic record
Abstract
Reactive power sharing and voltage containment for inverter-based resources (IBRs) are two important but related objectives in inverter-based grids. In this paper, we propose a distributed control technique to achieve these objectives simultaneously. Our controller consists of two components: a purely local nonlinear integral controller that adjusts the IBR voltage setpoint, and a distributed primal-dual optimizer that coordinates reactive power sharing among the IBRs using neighbor-to-neighbor communication. The controller prioritizes the voltage containment objective over reactive power sharing at all times; except for the IBRs with saturated voltages, it provides reactive power sharing among all IBRs. Considering the voltage saturation and the coupling between voltage and angle dynamics, a formal closed-loop stability analysis based on singular perturbation theory is provided, which provides practical tuning guidance for the overall control system. To validate the effectiveness of the proposed controller for different case studies, we apply it to a low-voltage microgrid, the modified CIGRE medium-voltage network benchmark, and the IEEE 33 bus radial distribution system, all simulated in the MATLAB/Simulink environment.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it